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| author |   Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-09-26 09:17:20 +0200 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-10-05 16:40:22 +0200 |
| commit | 7fc775ffebb93f2d556b4cb96345844885e16f60 (patch) | |
| tree | f7bdb0c34b078a7630a127ab6059c4c2744b4bd0 /drivers/thermal | |
| parent | Linux 5.15-rc4 (diff) | |
| download | linux-dev-7fc775ffebb93f2d556b4cb96345844885e16f60.tar.xz linux-dev-7fc775ffebb93f2d556b4cb96345844885e16f60.zip | |
thermal: intel_powerclamp: Use bitmap_zalloc/bitmap_free when applicable
'cpu_clamping_mask' is a bitmap. So use 'bitmap_zalloc()' and
'bitmap_free()' to simplify code, improve the semantic of the code and
avoid some open-coded arithmetic in allocator arguments.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/intel/intel_powerclamp.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c index a5b58ea89cc6..9b68489a2356 100644 --- a/drivers/thermal/intel/intel_powerclamp.c +++ b/drivers/thermal/intel/intel_powerclamp.c @@ -705,10 +705,8 @@ static enum cpuhp_state hp_state; static int __init powerclamp_init(void) { int retval; - int bitmap_size; - bitmap_size = BITS_TO_LONGS(num_possible_cpus()) * sizeof(long); - cpu_clamping_mask = kzalloc(bitmap_size, GFP_KERNEL); + cpu_clamping_mask = bitmap_zalloc(num_possible_cpus(), GFP_KERNEL); if (!cpu_clamping_mask) return -ENOMEM; @@ -753,7 +751,7 @@ exit_free_thread: exit_unregister: cpuhp_remove_state_nocalls(hp_state); exit_free: - kfree(cpu_clamping_mask); + bitmap_free(cpu_clamping_mask); return retval; } module_init(powerclamp_init); @@ -764,7 +762,7 @@ static void __exit powerclamp_exit(void) cpuhp_remove_state_nocalls(hp_state); free_percpu(worker_data); thermal_cooling_device_unregister(cooling_dev); - kfree(cpu_clamping_mask); + bitmap_free(cpu_clamping_mask); cancel_delayed_work_sync(&poll_pkg_cstate_work); debugfs_remove_recursive(debug_dir); |